package cn.lzd.mr.count.inputformat;

import org.apache.hadoop.io.BytesWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

/**
 * 学习：先了解、后深入；先记录、后记忆；先理论、后实践；先模仿、后创新
 * Created by lzd on 2018/5/15.
 */
public class SequenceFileReducer extends Reducer<Text, BytesWritable,  Text, BytesWritable> {

    @Override
    protected void reduce(Text key, Iterable<BytesWritable> values, Context context) throws IOException, InterruptedException {
        context.write(key, values.iterator().next());
    }
}